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Perception of sound-source motion by the human brain

Warren, J.D.; Zielinski , B.A.; Green, G.G.R.; Rauschecker , J.R.; Griffiths, T.D.; (2002) Perception of sound-source motion by the human brain. Neuron , 34 (1) pp. 139-148. 10.1016/S0896-6273(02)00637-2.

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Abstract

We assessed the human brain network for sound-motion processing using the same virtual stimulus in three independent functional imaging experiments. All experiments show a bilateral posterior network of activation, including planum temporale (PT) and parieto-temporal operculum (PTO). This was demonstrated in contrasts between sound movement and two control conditions: externalized stationary stimuli (in the midline or to the side of the head) and midline sounds within the head with similar spectro-temporal structure. We suggest specific computational mechanisms in PT for disambiguation of the intrinsic spectro-temporal features of a sound and the spectro-temporal effect of sound movement. The results support the existence of a posteriorly directed temporo-parietal pathway for obligatory perceptual processing of sound-source motion.

Type: Article
Title: Perception of sound-source motion by the human brain
DOI: 10.1016/S0896-6273(02)00637-2
Publisher version: http://dx.doi.org/10.1016/S0896-6273(02)00637-2
Language: English
UCL classification: UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Neurology > Imaging Neuroscience
UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Neurology > Neurodegenerative Diseases
URI: http://discovery.ucl.ac.uk/id/eprint/8066
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